Radiant|Lab Grown|IGI

6.12ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG588359339

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG588359339

Diamond specifications and retailer prices

From $1,075 USD
As of November 2, 2026
Save $4,535 USD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,610 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.12ct lab-grown radiant diamond

This 6.12ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG588359339 or 588359339. Listed at 16 retailers as of November 2, 2026, with prices from $1,075 to $5,610, a $4,535 spread on the same certified stone. Brilliant Earth lists it at $5,610. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.12
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588359339
Dimensions12.62 × 9.01 × 6.16 mm
L/W Ratio1.40
Culet sizePointed
Top View
12.62 mm9.01 mm6.12 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588359339
Side View
Table 64.0%Crown 45.4°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,610 USD|Low: $858 USD|High: $5,780 USD|Avg: $2,248 USD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 6$868 USD
Retailer 9$890 USD
Retailer 14$1,075 USD
Retailer 2$1,380 USD
Retailer 3$1,395 USD
Retailer 5$1,455 USD
Retailer 11$1,481 USD
Retailer 12$1,669 USD
Retailer 13$1,742 USD
Retailer 17$2,141 USD
Retailer 15$2,283 USD
Retailer 16$3,044 USD
Retailer 4$3,111 USD
Retailer 7$3,233 USD
Retailer 10$3,374 USD
Retailer 8$4,070 USD
Brilliant Earth$5,610 USD

38 data points across 17 retailers

16 retailers$1,075 USD to $5,610 USD

Retailer 1
-
$834 USD
Price last confirmed 35 days ago
Retailer 2
-
$877 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
$1,075 USD
View
A
Retailer 4
-
$1,380 USD
£1,087 GBP
View
A
Retailer 5
-
$1,395 USD
View
B+
Retailer 6
-
$1,455 USD
View
A
Retailer 7
-
$1,481 USD
€1,410 EUR
View
A
Retailer 8
-
$1,669 USD
A$2,567 AUD
View
A
Retailer 9
-
$1,742 USD
ZAR 28,146 ZAR
View
B+
Retailer 10
-
$2,141 USD
View
B+
Retailer 11
-
$2,283 USD
View
B+
Retailer 12
-
$3,044 USD
View
B+
Retailer 13
-
$3,111 USD
View
Retailer 14
-
$3,233 USD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
$3,374 USD
£2,657 GBP
View
Most Expensive
B
Brilliant Earth
7670544A · Nov 2
$5,610 USD
View
15 more retailers have this diamond
Prices start from $1,075 USDSave up to $4,535 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.12ct Radiant
$1,075 USD